Home
Class 11
PHYSICS
Stefan's Law for black body radiation is...

Stefan's Law for black body radiation is

A

`E prop T^4`

B

`E prop (1)/(T^4)`

C

`E prop T^2`

D

`E prop (1)/(T^2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

State and give mathematical expressions for Stefan's law of black body radiation.

State Wein’s displacement law for black body radiation.

From a black body, radiation is not :

Assertion : A hollow metallic closed container maintained at a uniform temperature cab act as a source of black body radiation. Reason : All metals act as a black body.

The spectrum from a black body radiation is a

Which is not a true statement about black body radiation ?

According to stefan's law of radiation a black body radiates energy sigmaT^(4) from is unit surface area every second where T is the surface temperature of the black body and sigma = 5.67 xx 10^(-8) W//m^(2) K^(4) is known as Stefan's of as a ball of radius 0.5m When detonated it reaches temperature of 10^(6)K and can be treated as a black body Estimate the power it radiates .

The phenomenon of black body radiation was explained satisfactorily by

which of the following is NOT the property of black body radiations?

Ac cording to Stefan' law of radiation, a black body radiates energy sigma T^4 from its unit surface area every second where T is the surface temperature of the black body and sigma = 5.67 xx 10^(-8) W//m^2 K^4 is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m When detoneted, it reachs temperature of 10^6 K and can be treated as a black body. (a) Estimate the power it radiates. (b) if surrounding has water at 30^@C how much water can 10% of the energy produced evaporate in 1s ? [s_w = 4186.0 J//Kg K and L_(upsilon) = 22.6 xx 10^5 J//kg] (c ) If all this energy U is in the form of radiation, corresponding momentum is p = U//c. How much momentum per unit time does it impart on unit area at a distance of 1 km ?